Struct casper_execution_engine::storage::protocol_data_store::lmdb::LmdbProtocolDataStore

pub struct LmdbProtocolDataStore { /* fields omitted */ }

An LMDB-backed protocol data store.

Wraps lmdb::Database.

Implementations

impl LmdbProtocolDataStore

pub fn new(
    env: &LmdbEnvironment,
    maybe_name: Option<&str>,
    flags: DatabaseFlags
) -> Result<Self, Error>

pub fn open(
    env: &LmdbEnvironment,
    maybe_name: Option<&str>
) -> Result<Self, Error>

Trait Implementations

impl Clone for LmdbProtocolDataStore

pub fn clone(&self) -> LmdbProtocolDataStore

Returns a copy of the value.

pub fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for LmdbProtocolDataStore

pub fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl ProtocolDataStore for LmdbProtocolDataStore

impl Store<ProtocolVersion, ProtocolData> for LmdbProtocolDataStore

type Error = Error

type Handle = Database

pub fn handle(&self) -> Self::Handle

pub fn get<T>(&self, txn: &T, key: &K) -> Result<Option<V>, Self::Error> where
    T: Readable<Handle = Self::Handle>,
    K: ToBytes,
    V: FromBytes,
    Self::Error: From<T::Error>, 

pub fn put<T>(&self, txn: &mut T, key: &K, value: &V) -> Result<(), Self::Error> where
    T: Writable<Handle = Self::Handle>,
    K: ToBytes,
    V: ToBytes,
    Self::Error: From<T::Error>,